UCTRONICS Values Fast Blow Assorted Plastic Review

Supplied in a small plastic box with dividers and a label indicating the fuse rating in each compartment. I accidentally hit the box while it was open on the table and the fuses flew in all directions. No big deal I thought. Just take a magnifying glass to read the written denominations. It turned out that the only marking was "250V". None of the fuses were marked with an amperage, so I now have a useless box of unknown amperage fuses. Sell fuses without the rating listed on the fuse cover…

This range has many values to try if you are unsure of the current requirements of the circuit in question. This can be very helpful for those trying to understand an unfamiliar design pattern. This is a backup. If it blows you know it has tripped and the current has exceeded the capacity of your chosen or specified overcurrent protection device. In any case, he returned to the drawing board. I'd rather blow a few cheap fuses than risk an expensive, complex, or irreplaceable piece of equipment.

This was a good selection of fuses to match the socket and fuse holder I bought. The fuse ratings were well labeled on the box. I had trouble reading the ratings on the fuses themselves and I didn't see any safety ratings on the box or on the fuses themselves. So how do you know if the backups are working predictably and securely? At one time European fuses were rated not to blow below 200% of their rating and UL fuses had to blow at 135% of their rating. So the size of the fuse is quite…